CN221580620U

CN221580620U - Circulating stirring reaction tank

Info

Publication number: CN221580620U
Application number: CN202323600018.9U
Authority: CN
Inventors: 东旭; 蒯亚希; 陈志福
Original assignee: Chengdu Huayi Pharmaceutical Accessories Manufacturing Co ltd
Current assignee: Chengdu Huayi Pharmaceutical Accessories Manufacturing Co ltd
Priority date: 2023-12-27
Filing date: 2023-12-27
Publication date: 2024-08-23
Anticipated expiration: 2033-12-27

Abstract

The utility model relates to the technical field of reaction vessels, and particularly discloses a circulating stirring reaction tank which comprises: the working cavity is arranged in the tank body and is used for accommodating liquid materials and powder materials; the stirring rods and the stirring paddles are rotatably arranged in the working cavity, and a plurality of stirring paddles are arranged on the stirring rods; the driving component is used for driving the stirring rod to rotate; the feed inlet of the pump body is communicated with the bottom end of the working cavity, and the discharge port of the pump body is communicated with the top end of the working cavity. The solid-liquid mixture in the working chamber can be transported out from the bottom end through the pump body and then is re-fed into the working chamber from the top end; avoid liquid material and powder to deposit always in the bottom of jar body, can be in jar internal with solid-liquid mixture circulation flow, promote the speed that powder and liquid material mix for mixing efficiency promotes the production efficiency of pharmaceutical excipients.

Description

Circulating stirring reaction tank

Technical Field

The utility model relates to the technical field of reaction vessels, in particular to a circulating stirring reaction tank.

Background

In the process of preparing the pharmaceutical excipients, the powder raw materials and the liquid raw materials are required to be stirred in a reaction tank, and the powder raw materials and the liquid raw materials are fully mixed and reacted.

In the prior art, powder and liquid are generally directly put into a reaction tank, and raw materials in the tank are continuously stirred through a stirring paddle.

However, in such stirring mode, powder and liquid are always deposited at the bottom of the reaction tank, the stirring efficiency of the stirring paddle is low, longer stirring time is required, and the production efficiency of the medicinal auxiliary materials is reduced.

Disclosure of utility model

In view of the above problems, the utility model provides a reaction tank with circulating stirring, which aims to improve the mixing speed of powder and liquid, accelerate the mixing efficiency and improve the production efficiency of pharmaceutical excipients.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

Provided is a reaction tank with circulating stirring, comprising: the working cavity is arranged in the tank body and is used for accommodating liquid materials and powder materials; the stirring rods and the stirring paddles are rotatably arranged in the working cavity, and a plurality of stirring paddles are arranged on the stirring rods; the driving component is used for driving the stirring rod to rotate; the feed inlet of the pump body is communicated with the bottom end of the working cavity, and the discharge port of the pump body is communicated with the top end of the working cavity.

Further, the reaction tank further comprises a first receiving tray arranged on the stirring rod and used for receiving the solid-liquid mixture, and a fixed gap exists between the first receiving tray and the inner wall surface of the tank body.

Further, the first receiving tray is conical and is used for guiding the solid-liquid mixture to flow to the inner wall surface of the tank body.

Further, the reaction tank further comprises a second receiving tray which is arranged on the inner wall surface of the tank body and is positioned below the first receiving tray, and the second receiving tray is conical and is used for guiding the solid-liquid mixture to flow to the stirring rod.

Further, the reaction tank further comprises a scraping rod which is arranged on the first receiving tray and is in sliding contact with the second receiving tray.

Further, the reaction tank further comprises: the first feeding pipe and the second feeding pipe are arranged on the tank body and are positioned above the first receiving tray and are respectively used for conveying powder and liquid into the working cavity.

The beneficial effects of the utility model are as follows: in the embodiment, the solid-liquid mixture in the working chamber can be transported out from the bottom end through the pump body and then re-fed into the working chamber from the top end; avoid liquid material and powder to deposit always in the bottom of jar body, can be in jar internal with solid-liquid mixture circulation flow, promote the speed that powder and liquid material mix for mixing efficiency promotes the production efficiency of pharmaceutical excipients.

Drawings

Fig. 1 is a schematic diagram of the internal structure of a tank body provided by the application.

Fig. 2 is a top view of the interior of the can provided by the present application.

Wherein, 1, the tank body; 11. a working cavity; 2. a stirring rod; 21. stirring paddles; 3. a driving part; 4. a pump body; 5. a first receiving tray; 6. a second receiving tray; 71. a first feed tube; 72. a second feed tube; 8. a scraping rod.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, an embodiment of the present application discloses a reaction tank for circulating stirring, comprising: the tank body 1, the working cavity 11, open in the tank body 1, is used for holding liquid material and powder; the stirring rod 2 and stirring paddles 21, the stirring rod 2 is rotatably arranged in the working cavity 11, and a plurality of stirring paddles 21 are arranged on the stirring rod 2; a driving part 3 for driving the stirring rod 2 to rotate; the pump body 4, the feed inlet of pump body 4 communicates the bottom of working cavity 11, the top of the discharge gate intercommunication working cavity 11 of pump body 4.

In the embodiment, when the stirring paddle 21 stirs powder and liquid, the solid-liquid mixture in the working chamber can be transported out from the bottom end through the pump body 4 and then re-fed into the working chamber from the top end; avoid liquid material and powder to deposit always in the bottom of jar body 1, can flow solid-liquid mixture circulation in jar body 1, promote the speed that powder and liquid material mix for mixing efficiency promotes the production efficiency of pharmaceutical excipients.

It is easy to understand that the driving part 3 is a servo motor, and the output shaft of the servo motor is in transmission connection with the stirring rod 2 through a gear.

It will be readily appreciated that the stirring rod 2 is rotatably mounted on the tank 1 by means of bearings.

The reaction tank also comprises a first receiving tray 5 which is arranged on the stirring rod 2 and is used for receiving the solid-liquid mixture, and a fixed gap exists between the first receiving tray 5 and the inner wall surface of the tank body 1; the solid-liquid mixture is received through the first receiving tray 5, the solid-liquid mixture can be thinned, the first receiving tray 5 can rotate along with the rotation of the stirring rod 2, the thinned solid-liquid mixture on the first receiving tray 5 is thrown to the inner wall surface of the tank body 1 under the action of the centrifugal force of the first receiving tray 5, so that insufficiently-eased aggregates in the solid-liquid mixture are scattered, and the uniform mixing degree of liquid materials and powder is improved.

Further, the first receiving tray 5 is conical, and naturally, the diameter of the first receiving tray 5 gradually increases from top to bottom along the vertical direction, so as to guide the solid-liquid mixture to flow to the inner wall surface of the tank body 1 and prevent the solid-liquid mixture from remaining on the first receiving tray 5.

Further, the reaction tank also comprises a second receiving tray 6 which is arranged on the inner wall surface of the tank body 1 and is positioned below the first receiving tray 5, and the second receiving tray 6 is conical; of course, the diameter of the second receiving tray 6 gradually decreases from top to bottom along the vertical direction, so as to guide the solid-liquid mixture to flow to the stirring rod 2, stir the solid-liquid mixture sent again to the periphery through the stirring paddle 21, and improve the stirring efficiency of the liquid material and the powder material.

Further, the reaction tank further comprises a scraping rod 8, which is arranged on the first receiving tray 5 and is in sliding contact with the second receiving tray 6, so that the residual solid-liquid mixture on the second receiving tray 6 is scraped, and the mixing efficiency is improved.

It should be noted that the bottom end of the working cavity 11 is provided with a three-way valve, one interface of the three-way valve is communicated with the working cavity 11, the other interface is communicated with the feed inlet of the pump body 4, and the other interface is used for conveying the stirred solid-liquid mixture outside the working cavity 11.

Further, the reaction tank further comprises: the first feeding pipe 71 and the second feeding pipe 72 are arranged on the tank body 1 and are positioned above the first receiving tray 5 and are respectively used for conveying powder and liquid into the working cavity 11; carry powder and liquid material in to working chamber through first conveying pipe 71 and second conveying pipe 72 to through driving puddler 2 rotation, puddler 2 pivoted speed is slower certainly this moment, and powder and liquid material all fall on first receiving tray 5, can carry out preliminary mixing to liquid material and powder, promotes the stirring efficiency of follow-up stirring rake 21.

It will be apparent to those skilled in the art that while preferred embodiments of the present utility model have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model. It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. A cyclically stirred tank reactor comprising:

a tank body (1),

The working cavity (11) is arranged in the tank body (1) and is used for accommodating liquid materials and powder materials;

The stirring rod (2) and stirring paddles (21), wherein the stirring rod (2) is rotatably arranged in the working cavity (11), and a plurality of stirring paddles (21) are arranged on the stirring rod (2);

A driving part (3) for driving the stirring rod (2) to rotate;

The pump body (4), the feed inlet of pump body (4) intercommunication work cavity (11)'s bottom, the discharge gate of pump body (4) intercommunication work cavity (11)'s top.

2. The circulating stirred tank reactor according to claim 1, further comprising a first receiving tray (5) disposed on the stirring rod (2) for receiving a solid-liquid mixture, wherein a fixed gap is present between the first receiving tray (5) and an inner wall surface of the tank body (1).

3. The circulation stirred tank reactor as claimed in claim 2, wherein the first receiving tray (5) is conical for guiding the solid-liquid mixture to the inner wall surface of the tank body (1).

4. The circulation stirring reaction tank according to claim 2, further comprising a second receiving tray (6) disposed on an inner wall surface of the tank body (1) below the first receiving tray (5), wherein the second receiving tray (6) is conical and is used for guiding the solid-liquid mixture to flow toward the stirring rod (2).

5. The circulation stirred tank reactor according to claim 4, further comprising a scraper bar (8) arranged on the first receiving tray (5) and in sliding contact with the second receiving tray (6).

6. The cyclically stirred tank reactor of claim 2, further comprising: the first feeding pipe (71) and the second feeding pipe (72) are arranged on the tank body (1) and are positioned above the first receiving tray (5) and are respectively used for conveying powder and liquid into the working cavity (11).